swiotlb: allow architectures to override phys<->bus<->phys conversions

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Impact: generalize phys<->bus<->phys conversions in the swiotlb code

Architectures may need to override these conversions. Implement a
__weak hook point containing the default implementation.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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Ian Campbell 2008-12-16 12:17:30 -08:00 • committed by Ingo Molnar

parent a5ddde4a55

commit e08e1f7adb

2 changed files with 39 additions and 16 deletions

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include/linux/swiotlb.h

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